docs: def parse_table_name(bigquery_table):
    """Giving a string a:b.c, returns b.c.
  
    Args:
      bigquery_table: full table name project_id:dataset:table
  
    Returns:
      dataset:table
  
    Raises:
      ValueError: if a, b, or c contain the character ':'.
    """
  
    id_name = bigquery_table.split(':')
    if len(id_name) != 2:
      raise ValueError('Bigquery table name should be in the form '
                       'project_id:dataset.table_name. Got %s' % bigquery_table)
    return id_name[1]